package cn.wolfcode.luowowo.comment.service.impl;

import cn.wolfcode.luowowo.comment.domain.StrategyComment;
import cn.wolfcode.luowowo.comment.query.StrategyCommentQuery;
import cn.wolfcode.luowowo.comment.repository.IStrategyCommentRepository;
import cn.wolfcode.luowowo.comment.service.IStrategyCommentService;
import com.alibaba.dubbo.config.annotation.Service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.*;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.util.StringUtils;

import java.util.Date;
import java.util.List;

@Service
public class StrategyCommentServiceImpl implements IStrategyCommentService {
    @Autowired
    private IStrategyCommentRepository repository;

    @Autowired
    private MongoTemplate template;


    @Override
    public void save(StrategyComment comment) {
        if (StringUtils.hasLength(comment.getId())){
            comment.setCreateTime(new Date());
        }

        repository.save(comment);

    }

    @Override
    public Page query(StrategyCommentQuery qo) {
        //拼接条件
        Query query = new Query();
        if (qo.getDetailId() != -1){
            query.addCriteria(Criteria.where("detailId").is(qo.getDetailId()));
        }
        //差总数
        long total = template.count(query, StrategyComment.class);
        if (total == 0){
            return Page.empty();
        }

        Pageable pageable = PageRequest.of(qo.getCurrentPage() - 1, qo.getPageSize(), Sort.Direction.DESC, "createTime");
        query.with(pageable);
        List<StrategyComment> list = template.find(query, StrategyComment.class);
        return new PageImpl(list,pageable,total);
    }

    @Override
    public void commentThumbUp(String detailId, Long userId) {
        StrategyComment comment = repository.findById(detailId).get();
        List<Long> list = comment.getThumbuplist();
        //当请求过来时   判断点赞用户 是否有当前登录用户id
        if (!list.contains(userId)) {
            //如果当前用户id不存在集合中  表示点赞操作 点赞数+1 将用户id添加到集合中
            comment.setThumbupnum(comment.getThumbupnum()+1);
            list.add(userId);

        }else {
            //如果当前用户id存在集合中  表示点赞操作 点赞数-1 将用户id移除到集合中
            comment.setThumbupnum(comment.getThumbupnum()-1);
            list.remove(userId);
        }
        repository.save(comment);

    }
}
